231 - 231 nightlatch with key lock-back
Application
Locks for entrance doors where automatic locking is required
when door is closed.
Available with single cylinder and thumbturn, or alternatively
with double cylinders or single cylinder only.
Supplied as standard with striking plate.
Cylinder and accessories bolt through lockcase for added
strength.
Key can only be removed in locked (or locked-back) position.
For finishes and dimensions see Lockcases Information
appendix.
When ordering please specify hand and door thickness.
Specification
Bolt deadlocks automatically when door is closed.
Key for locking bolt into lockcase. Bolt reversible without
opening lockcase.
Available with 35mm, 50mm or 70mm backset.
Exterior |
[PROD3] |
Interior |
Latchbolt automatically deadlocked.
Key retracts latchbolt.
.
|
Turn retracts latchbolt.
Latchbolt held back by key in faceplate. |
Finish
Product has been successfully type-tested for conformity to BS
EN 12209.
Regular audit testing is undertaken.
Standards
|
|
LS35768716357
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CONNECT 231/50 (WITH STRIKE)
|